+/* Copyright (c) 2009-2011. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "cpu_cas01.hpp"
+#include "cpu_ti.hpp"
+#include "surf.hpp"
+#include "maxmin_private.h"
+#include "simgrid/sg_config.h"
+
+//TODO: resolve dependencies
+static void TRACE_surf_host_set_power(double date, const char *resource, double power) {}
+
+
+static ModelPtr surf_cpu_model = NULL;
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surfpp_cpu_cas, surfpp,
+ "Logging specific to the SURF CPU IMPROVED module");
+
+static xbt_swag_t
+ cpu_running_action_set_that_does_not_need_being_checked = NULL;
+
+/*********
+ * Model *
+ *********/
+void surf_cpu_model_init_Cas01()
+{
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
+
+ if (surf_cpu_model)
+ return;
+
+ if (!strcmp(optim, "TI")) {
+ surf_cpu_model = new CpuTiModel();
+ return;
+ }
+
+ surf_cpu_model = new CpuCas01Model();
+ xbt_dynar_push(model_list, &surf_cpu_model);
+}
+
+CpuCas01Model::CpuCas01Model() : CpuModel("cpu")
+{
+ CpuCas01ActionLmm action;
+
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
+ int select = xbt_cfg_get_boolean(_sg_cfg_set, "cpu/maxmin_selective_update");
+
+ if (!strcmp(optim, "Full")) {
+ p_updateMechanism = UM_FULL;
+ m_selectiveUpdate = select;
+ } else if (!strcmp(optim, "Lazy")) {
+ p_updateMechanism = UM_LAZY;
+ m_selectiveUpdate = 1;
+ xbt_assert((select == 1)
+ ||
+ (xbt_cfg_is_default_value
+ (_sg_cfg_set, "cpu/maxmin_selective_update")),
+ "Disabling selective update while using the lazy update mechanism is dumb!");
+ } else {
+ xbt_die("Unsupported optimization (%s) for this model", optim);
+ }
+
+ cpu_running_action_set_that_does_not_need_being_checked =
+ xbt_swag_new(xbt_swag_offset(action, p_stateHookup));
+
+ if (p_updateMechanism == UM_LAZY) {
+ shareResources = &CpuCas01Model::shareResourcesLazy;
+ updateActionsState = &CpuCas01Model::updateActionsStateLazy;
+
+ } else if (p_updateMechanism == UM_FULL) {
+ shareResources = &CpuCas01Model::shareResourcesFull;
+ updateActionsState = &CpuCas01Model::updateActionsStateFull;
+ } else
+ xbt_die("Invalid cpu update mechanism!");
+
+ if (!p_maxminSystem) {
+ p_maxminSystem = lmm_system_new(m_selectiveUpdate);
+ }
+
+ if (p_updateMechanism == UM_LAZY) {
+ p_actionHeap = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
+ p_modifiedSet = xbt_swag_new(xbt_swag_offset(action, p_actionListHookup));
+ //TOREPAIR: cpu_model->model_private->maxmin_system->m_keepTrack = cpu_model->model_private->modified_set;
+ }
+ /* Define callbacks */
+ //TODO sg_platf_host_add_cb(parse_cpu_init);
+ //TODO sg_platf_postparse_add_cb(cpu_add_traces_cpu);
+}
+
+CpuCas01Model::~CpuCas01Model()
+{
+ lmm_system_free(p_maxminSystem);
+ p_maxminSystem = NULL;
+
+ if (p_actionHeap)
+ xbt_heap_free(p_actionHeap);
+ xbt_swag_free(p_modifiedSet);
+
+ surf_cpu_model = NULL;
+
+ xbt_swag_free(cpu_running_action_set_that_does_not_need_being_checked);
+ cpu_running_action_set_that_does_not_need_being_checked = NULL;
+}
+
+void CpuCas01Model::parseInit(sg_platf_host_cbarg_t host)
+{
+ createResource(host->id,
+ host->power_peak,
+ host->power_scale,
+ host->power_trace,
+ host->core_amount,
+ host->initial_state,
+ host->state_trace,
+ host->properties);
+}
+CpuCas01LmmPtr CpuCas01Model::createResource(const char *name, double power_peak, double power_scale,
+ tmgr_trace_t power_trace, int core,
+ e_surf_resource_state_t state_initial,
+ tmgr_trace_t state_trace,
+ xbt_dict_t cpu_properties)
+{
+ CpuCas01LmmPtr cpu = NULL;
+
+ xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
+ "Host '%s' declared several times in the platform file",
+ name);
+ xbt_assert(power_peak > 0, "Power has to be >0");
+ xbt_assert(core > 0, "Invalid number of cores %d", core);
+
+ cpu = new CpuCas01Lmm(this, name, power_peak, power_scale, power_trace, core, state_initial, state_trace, cpu_properties);
+
+ xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, this);
+
+ return (CpuCas01LmmPtr) xbt_lib_get_elm_or_null(host_lib, name);;
+}
+
+double CpuCas01Model::shareResourcesFull(double now)
+{
+ CpuCas01ActionLmm action;
+ Model::shareResourcesFull(p_runningActionSet,
+ xbt_swag_offset(action, p_variable),
+ p_maxminSystem, lmm_solve);
+ return 0;
+}
+
+void CpuCas01Model::addTraces()
+{
+ xbt_dict_cursor_t cursor = NULL;
+ char *trace_name, *elm;
+ static int called = 0;
+ if (called)
+ return;
+ called = 1;
+
+ /* connect all traces relative to hosts */
+ xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
+ tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
+ CpuCas01LmmPtr host = (CpuCas01LmmPtr) surf_cpu_resource_by_name(elm);
+
+ xbt_assert(host, "Host %s undefined", elm);
+ xbt_assert(trace, "Trace %s undefined", trace_name);
+
+ host->p_stateEvent =
+ tmgr_history_add_trace(history, trace, 0.0, 0, host);
+ }
+
+ xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
+ tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
+ CpuCas01LmmPtr host = (CpuCas01LmmPtr) surf_cpu_resource_by_name(elm);
+
+ xbt_assert(host, "Host %s undefined", elm);
+ xbt_assert(trace, "Trace %s undefined", trace_name);
+
+ host->p_powerEvent =
+ tmgr_history_add_trace(history, trace, 0.0, 0, host);
+ }
+}
+
+/************
+ * Resource *
+ ************/
+CpuCas01Lmm::CpuCas01Lmm(CpuCas01ModelPtr model, const char *name, double powerPeak,
+ double powerScale, tmgr_trace_t powerTrace, int core,
+ e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace,
+ xbt_dict_t properties) :
+ CpuLmm(model, name, properties) {
+ m_powerPeak = powerPeak;
+ m_powerScale = powerScale;
+ m_core = core;
+ p_stateCurrent = stateInitial;
+ if (powerTrace)
+ p_powerEvent = tmgr_history_add_trace(history, powerTrace, 0.0, 0, this);
+
+ if (stateTrace)
+ p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
+
+ p_constraint = lmm_constraint_new(p_model->p_maxminSystem, this, m_core * m_powerScale * m_powerPeak);
+}
+
+bool CpuCas01Lmm::isUsed()
+{
+ return lmm_constraint_used(p_model->p_maxminSystem, p_constraint);
+}
+
+void CpuCas01Lmm::updateState(tmgr_trace_event_t event_type, double value, double date)
+{
+ lmm_variable_t var = NULL;
+ lmm_element_t elem = NULL;
+
+ surf_watched_hosts();
+
+ if (event_type == p_powerEvent) {
+ m_powerScale = value;
+ lmm_update_constraint_bound(surf_cpu_model->p_maxminSystem, p_constraint,
+ m_core * m_powerScale *
+ m_powerPeak);
+#ifdef HAVE_TRACING
+ TRACE_surf_host_set_power(date, m_name,
+ m_core * m_powerScale *
+ m_powerPeak);
+#endif
+ while ((var = lmm_get_var_from_cnst
+ (surf_cpu_model->p_maxminSystem, p_constraint, &elem))) {
+ CpuCas01ActionLmmPtr action = (CpuCas01ActionLmmPtr) lmm_variable_id(var);
+ lmm_update_variable_bound(surf_cpu_model->p_maxminSystem,
+ action->p_variable,
+ m_powerScale * m_powerPeak);
+ }
+ if (tmgr_trace_event_free(event_type))
+ p_powerEvent = NULL;
+ } else if (event_type == p_stateEvent) {
+ if (value > 0)
+ p_stateCurrent = SURF_RESOURCE_ON;
+ else {
+ lmm_constraint_t cnst = p_constraint;
+
+ p_stateCurrent = SURF_RESOURCE_OFF;
+
+ while ((var = lmm_get_var_from_cnst(surf_cpu_model->p_maxminSystem, cnst, &elem))) {
+ ActionPtr action = (ActionPtr) lmm_variable_id(var);
+
+ if (action->getState() == SURF_ACTION_RUNNING ||
+ action->getState() == SURF_ACTION_READY ||
+ action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
+ action->m_finish = date;
+ action->setState(SURF_ACTION_FAILED);
+ }
+ }
+ }
+ if (tmgr_trace_event_free(event_type))
+ p_stateEvent = NULL;
+ } else {
+ XBT_CRITICAL("Unknown event ! \n");
+ xbt_abort();
+ }
+
+ return;
+}
+
+CpuActionPtr CpuCas01Lmm::execute(double size)
+{
+
+ XBT_IN("(%s,%g)", m_name, size);
+ CpuCas01ActionLmmPtr action = new CpuCas01ActionLmm(surf_cpu_model, size, p_stateCurrent != SURF_RESOURCE_ON);
+
+ action->m_suspended = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
+
+ action->p_variable =
+ lmm_variable_new(surf_cpu_model->p_maxminSystem, action,
+ action->m_priority,
+ m_powerScale * m_powerPeak, 1);
+ if (surf_cpu_model->p_updateMechanism == UM_LAZY) {
+ action->m_indexHeap = -1;
+ action->m_lastUpdate = surf_get_clock();
+ action->m_lastValue = 0.0;
+ }
+ lmm_expand(surf_cpu_model->p_maxminSystem, p_constraint,
+ action->p_variable, 1.0);
+ XBT_OUT();
+ return action;
+}
+
+CpuActionPtr CpuCas01Lmm::sleep(double duration)
+{
+ if (duration > 0)
+ duration = MAX(duration, MAXMIN_PRECISION);
+
+ XBT_IN("(%s,%g)", m_name, duration);
+ CpuCas01ActionLmmPtr action = (CpuCas01ActionLmmPtr) execute(1.0);
+
+ // FIXME: sleep variables should not consume 1.0 in lmm_expand
+ action->m_maxDuration = duration;
+ action->m_suspended = 2;
+ if (duration == NO_MAX_DURATION) {
+ /* Move to the *end* of the corresponding action set. This convention
+ is used to speed up update_resource_state */
+ xbt_swag_remove(action, action->p_stateSet);
+ action->p_stateSet = cpu_running_action_set_that_does_not_need_being_checked;
+ xbt_swag_insert(action, action->p_stateSet);
+ }
+
+ lmm_update_variable_weight(surf_cpu_model->p_maxminSystem,
+ action->p_variable, 0.0);
+ if (surf_cpu_model->p_updateMechanism == UM_LAZY) { // remove action from the heap
+ action->heapRemove(surf_cpu_model->p_actionHeap);
+ // this is necessary for a variable with weight 0 since such
+ // variables are ignored in lmm and we need to set its max_duration
+ // correctly at the next call to share_resources
+ xbt_swag_insert_at_head(action, surf_cpu_model->p_modifiedSet);
+ }
+
+ XBT_OUT();
+ return action;
+}
+
+
+/**********
+ * Action *
+ **********/
+
+